renal replacement therapy

Question 1

haemodialysis

Answer 1

regular filtration blood through dialysis machine in hospital

need AV fistula created 8wks before commencal haemodialysis

Question 2

indications for acute dialysis

Answer 2

acidosis 
electrolyte abnormalities
oedema
uraemia 
intoxication

Question 3

peritoneal dialysis

Answer 3

filtration occurs in abdomen

dialysis solution injected into abdomen, the high dextrose conc. draws waste products from blood into abdo cavity

after several hrs the dialysis solution is drained (removing waste products) and exchanged for new dialysis solution

Question 4

continuous ambulatory peritoneal dialysis

Answer 4

dialysis solution in abdo at all times

each exchange 30-40min and each dwell time 4-8hrs

Question 5

automated peritoneal dialysis

Answer 5

occurs overnight

dialysis machine fills and drains abdo whilst patient sleeping
8-10hrs

Question 6

main complication peritoneal dialysis

Answer 6

peritoneal dialysis peritonitis

Question 7

peritoneal dialysis peritonitis

Answer 7

caused by staph epidermis

abdo pain, fever, cloudy dialysis bag

antib

Question 8

complications of haemodialysis

Answer 8

CVS disease
fistula complications 
hypotension 
amyloidosis
dialysis disequillibrium syndrome

Question 9

Dialysis disequilibrium syndrome

Answer 9

acute cerebral oedema due to rapid extraction of osmotically active substances